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S. Somanath | At the helm of India’s space research

The new chairman is taking over ISRO at a time when the Central government is pushing for sweeping reforms in the space sector

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Covaxin booster increases neutralising antibodies, study finds

Crucial link: Without vitamin D, muscles continued to make glycogen, but could not convert it to glucose, as Dr. Aneeshkumar (right) explains.

Muscles starve in the absence of vitamin D, study of mice finds

T.V. Venkateswaran The study examined the molecular nature of muscle dysfunction in mice, in the absence of vitamin D

Speaking of science

When it itches, you scratch

D. Balasubramanian

The elderly are prone to chronic conditions that manifest as itches

Editor's Pick

Gharials are being introduced into this north Indian river. Which river?

Science quiz: Sci-five

A.S. Nazir Ahamed Shubashree Desikan Test your Science quotient with this quiz

The Eurasian common lizard (Zootoca vivipara).

ABSTRACT The progress of evolution

Shubashree Desikan Understanding a recent study done by researchers on the Eurasian common lizard which exhibits both egg-laying and live-bearing modes within the same species

A lab technician at a government hospital in Chennai works inside a pathological lab equipped to screen COVID-19 coronavirus patients and patients infected with the Omicron variant arriving from listed high risk destinations. File

Is testing, sequencing strategy used missing Omicron?

R. Prasad There would have been a surge in cases if the variant is already present in India as Omicron spreads two to three times faster than Delta

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Workers busy at the biogas plant at Bowenpally market in Secunderabad.

Watch | From market waste to electricity

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Explained | Will the pig-to-human heart operation lead to a new approach to organ transplantation?

Profiles | Science

S. Somanath | At the helm of India’s space research

An eye for an i #469 Children

The fascinating discovery of an optical pulsar

Covaxin booster increases neutralising antibodies, study finds

Speaking of science Science

When it itches, you scratch

Question Corner | How do locusts smell an odour?

Muscles starve in the absence of vitamin D, study of mice finds

The study examined the molecular nature of muscle dysfunction in mice, in the absence of vitamin D

A pig heart transplant in Assam in 1997

It ended in the patient’s death and led to the arrest of two doctors

Science Quiz: On Space

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Eminent rocket scientist Somanath appointed ISRO Chairman

He played a major role in development of the PSLV and GSLV Mk-III

In a first, U.S. surgeons transplant pig heart into human patient

Over the years, scientists have turned from primates to pigs, tinkering with their genes.

China’s Chang’e 5 lunar probe finds first on-site evidence of water on moon’s surface

It was the solar wind that contributed to the most humidity of lunar soil.

The last of the Surveyor series

Launched on January 7, 1968, the Surveyor 7 was a lunar unmanned lander that successfully landed on the lunar surface on January 10. The last of the original series of Surveyor moon landers of the 1960s. Surveyor 7 was the only spacecraft of the series that landed in the lunar highland region. A.S.Ganesh takes a look at Surveyor 7 – the only purely scientific mission in the series…

NCBS: Zebrafish study reveals how the brain makes its connections

How nerve-end connections known as synapses form is highlighted in this study of Purkinje neurons in the cerebellum of knockout zebrafish

Can microbes produce oxygen in the dark?

Scientists say there would be no oxygen on Earth were it not for sunlight: the key component in photosynthesis. Now researchers from University of

Conflicting signals from drug regulator, COVID-19 task force

On a few occasions, the national COVID-19 task force has refused to include drugs and vaccines that have been granted an EUA by the regulator

Omicron epidemic: third wave or new pandemic?

Both Delta and Omicron might co-exist, needing more vaccines in 2022

‘Milder Omicron an evolutionary mistake,’ warns Cambridge scientist

Next variant to be more deadly: expert

Science quiz: On origin and anthropology

Test your Science quotient with this quiz

The first of the Luna missions

Launched on January 2, 1959, Luna 1 was the first human-made object to escape the grip of the Earth’s gravity. Even though it didn’t meet its primary objective of impact with the moon’s surface, it achieved a lunar flyby before going on to become an artificial planet around the sun. A.S.Ganesh takes a look at the Luna 1 mission, the first of a highly successful space programme…

IISc: Testing hypotheses to guide COVID-19 vaccine, booster protocols

Using a computer simulation, the study probes why lower prime doses or elongated prime–booster intervals increase vaccine efficacy

Crossing the border: viewing through elephants’ lens

Elephants do cross electric fences using their non-conducting tusks

Headlice to the rescue

Are there other sources of ancient DNA besides bone and teeth?Scientists, for the first time, recovered DNA from cement on hairs taken from mummified

Basis for precaution dose approval not clear

There has been just one study each for Covishield and Covaxin to understand vaccine effectiveness despite being granted EUA 12 months ago

Omicron has high immune escape potential: INSACOG

Initial estimates show severity of illness lower, the genomics consortium says.

The progress of evolution

Understanding a recent study done by researchers on the Eurasian common lizard which exhibits both egg-laying and live-bearing modes within the same species

Scientist E.O. Wilson, dubbed modern-day Darwin, dead

Edward. O. Wilson, the trailblazing U.S. scientist, professor and author whose study of insects and clarion call to protect Earth earned him the

Fighting climate change without developmental blind-spots

Deep thinking and concern for the future is what past generations have demonstrated in how they have constructed urban spaces

Watch | From market waste to electricity

A video on the new waste-to-power plant at the Bowenpally market

Japanese professor creates ‘tele-taste’ TV screen

A Japanese professor has developed a prototype lickable TV screen that can imitate food flavours, another step towards creating a multi-sensory

Marie and Pierre discover radium

On December 26, 1898, French engineer Henri Becquerel informed the French Academy of Sciences of the discovery of a new element. The element in question, radium, was discovered a few days earlier by the Curies, Marie and Pierre. A.S.Ganesh takes a look at the discovery of radium…

Question Corner | What makes humans react quickly to negative smells?

Releasing the booster shots: What are we waiting for?

There is evidence to suggest that immunity, when it wanes after the second dose, can be boosted with a third dose

Using music to better manage dementia

Brain scans indicated long-known music activates various brain areas

Study of distant magnetar reveals facets of the exotic star

The short-lived flare recorded by the ISS instruments spewed as much energy in a tenth of a second that our Sun will radiate in 100,000 years

NASA's revolutionary new space telescope launched

Aside from examining the formation of the earliest stars and galaxies in the universe, astronomers are eager to study super-massive black holes believed to occupy the centres of distant galaxies.

Omicron less likely to put you in hospital: U.K. studies

Findings have not yet been reviewed by other experts

Science quiz: Sci-five

Test your Science quotient with this quiz

U.K. study makes case for AstraZeneca booster shot

Levels of neutralising antibodies rose sharply after a third dose.

CSIR-CCMB working on improving diagnostic methods to check for Omicron variant

Vaccines do provide protection and the focus in our country should be on vaccinating the remaining 22% population with double dosage, says Director Vinay Kumar Nandicoori

Inescapable risks of mandatory iron fortification

Fortification will increase serum ferritin without changing haemoglobin level

Is testing, sequencing strategy used missing Omicron?

There would have been a surge in cases if the variant is already present in India as Omicron spreads two to three times faster than Delta

Science Quiz: On the Sun

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

In a first, NASA spacecraft ‘touches’ sun

The Parker Solar Probe flew through the solar atmosphere known as corona in April during the spacecraft’s eighth close approach to the sun.

Explained: A recap of emerging evidence on Omicron

Its rapid spread is likely to test public health systems and their ability to react efficiently

AI tool to simplify identification of cancerous tissue in tumours

IIT Madras researchers developed this tool using deep learning and traditional machine learning

Mystery in meteorites

What information do beads of glass in meteorites hold?Most meteorites contain tiny beads of glass that date back to the earliest days of the solar

How the idea of vaccine protection changed in one year

From being centred around the idea of of ‘herd immunity’, over a period of a year, the narrative has now shifted to that of booster doses

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Uttar Pradesh Chief Minister Yogi Adityanath had a meal at Amritlal Bharti's home on the occasion of Makar Sankranti. Photo: Twitter. @myogiadityanath

13K | Adityanath eats at Dalit household, targets Samajwadi Party

A file picture of BrahMos, supersonic cruise missile successfully test-fired as part of service life extension program, from the Integrated Test Range (ITR), in Balasore.

13K | In first BrahMos missile export order, Philippines approves $374-million contract

Punjab Chief Minister Charanjit Singh Channi. File photo

12K | Punjab CM Channi expresses regret over PM Modi’s security lapse

Dev Raturi with his family in Xian, China. Photo: Special arrangement

10K | An Indian’s tale of Xian’s lockdown makes headlines in China

9K | India’s trade with China crosses $125 billion, imports near $100 billion

9K | A welcome probe: On PM security breach and propaganda

Army personnel carry out an investigation procedure at the crash site in Coonoor, Tamil Nadu, on December 9, 2021 a day after an Army helicopter crashed, killing 13 people, including Indian defence chief General Bipin Rawat.

9K | IAF chopper crash | Inquiry rules out mechanical failure, sabotage or negligence

A participant tries to tame a bull during the Avaniapuram jallikattu in Madurai on January 14, 2022.

8K | Avaniapuram jallikattu | Spectator gored to death, over 80 participants injured

7K | Bengaluru civic body issues new advisory for apartment complexes